Search a number
-
+
8533530725 = 522314840923
BaseRepresentation
bin1111111001010001…
…10101100001100101
3211000201100021110112
413330220311201211
5114434040440400
63530435102405
7421316546216
oct77450654145
924021307415
108533530725
113689a56a35
1217a1a41a05
13a5cc38285
145ad4ab40d
1534e288835
hex1fca35865

8533530725 has 12 divisors (see below), whose sum is σ = 11041647456. Its totient is φ = 6530005680.

The previous prime is 8533530721. The next prime is 8533530727. The reversal of 8533530725 is 5270353358.

It is a happy number.

It is not a de Polignac number, because 8533530725 - 22 = 8533530721 is a prime.

It is a super-2 number, since 2×85335307252 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8533530721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7419887 + ... + 7421036.

It is an arithmetic number, because the mean of its divisors is an integer number (920137288).

Almost surely, 28533530725 is an apocalyptic number.

It is an amenable number.

8533530725 is a deficient number, since it is larger than the sum of its proper divisors (2508116731).

8533530725 is a wasteful number, since it uses less digits than its factorization.

8533530725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14840956 (or 14840951 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The square root of 8533530725 is about 92377.1114778980. Note that the first 3 decimals coincide. The cubic root of 8533530725 is about 2043.5075761672.

The spelling of 8533530725 in words is "eight billion, five hundred thirty-three million, five hundred thirty thousand, seven hundred twenty-five".

Divisors: 1 5 23 25 115 575 14840923 74204615 341341229 371023075 1706706145 8533530725